PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6257342-6 1980 In the presence of optimal levels of Co2+ other divalent cations are inhibitory with the order of inhibition: Cd2+ greater than Zn2+ greater than Ca2+ greater than Ba2+ greater than Cu2+ greater than Hg2+ greater than Ni2+. Zinc 128-132 complement C2 Homo sapiens 37-40